"Who is this tomato, and why does he take medication?"
"Tomato is a Big Mouth Billy Bass. And he dosen't take medication; medication takes him. If you look on the back of most asprin containers, you'll see that the active ingredient is Tomato.

As in reference to a young girl, maybe 15-19 years old who needs to "ripen" like a tomato yet on the vine. Have you ever seen a tomato on a vine and you know when it ripens and you pick it, it's going to be delicious? That's a tomato. An example would be Miley Cyrus.